Home / 148,238.58-204,569.30-80,255.55

Finding the Fourth Proportional to 148,238.58, 204,569.30 and 80,255.55

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Solution

The fourth proportional to 148,238.58, 204,569.30 and 80,255.55 is: 110,752.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,238.58 : 204,569.30 = 80,255.55 : x
  2. Step 2: Convert to fraction form
    148,238.58/204,569.30 = 80,255.55/x
  3. Step 3: Cross multiply
    148,238.58x = 204,569.30 × 80,255.55
  4. Step 4: Simplify right side
    148,238.58x = 16,417,821,885.25
  5. Step 5: Solve for x
    x = 16,417,821,885.25/148,238.58
  6. Step 6: Final answer
    x = 110,752.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.